There are
275
Riottos in the USARiotto is the
71042nd
most common last name in the USARiotto Genealogy
OriginsThe origins of the Riotto surname are predominantly Italian, specifically in the regions of Sicily and Calabria.
Geographic DistributionThe Riotto surname is most popular in Italy, particularly in the regions of Sicily and Calabria.
VariationsThere are no significant variations of the Riotto surname.
Migration and ImmigrationThere is limited information available about the migration and immigration history of the Riotto family.